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Assessment of Child Anthropometry in a Large Epidemiologic Study

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Published on: February 2, 2017

Pediatric penile anthropometry nomogram: Establishing standardized reference values.

Prabudh Goel¹, Prativa Choudhury¹, Sampreeti Mukherjee¹

¹Department of Paediatric Surgery, All India Institute of Medical Sciences, New Delhi, India.

Journal of Pediatric Urology

|December 21, 2024

Summary

This summary is machine-generated.

This study created an age-based penile length chart for Indian boys aged 1-14 years. The findings help define normal penile growth and aid in diagnosing conditions like hypospadias.

Keywords:

Anthropometry Centile curves GAMLSS LMS method Nomogram Stretched penile length

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Area of Science:

Pediatric endocrinology
Urology
Anthropometry

Background:

Penile anthropometry is crucial for assessing male genital development and identifying abnormalities.
Establishing age-related norms is essential for clinical management, particularly for conditions affecting penile length.

Purpose of the Study:

To develop an age-specific penile length nomogram for Indian children (1-14 years).
To define the range of normal penile length for different age groups.
To provide age-matched reference data for managing pediatric urogenital conditions like hypospadias.

Main Methods:

A cross-sectional study involving 1276 Indian boys aged 1-14 years.
Stretched penile length (SPL) was measured and recorded along with age and weight.
Generalized additive models for Location, Scale, and Shape (GAMLSS) were used to generate centile curves for SPL.

Main Results:

Stretched penile length (SPL) significantly increases with age, from 3.4 cm at 1 year to 12.7 cm at 14 years.
Non-linear growth patterns were observed, with accelerated SPL increases during early childhood (2-4 years) and puberty (10-14 years).
Centile curves were generated, providing a reference range for normal penile length across different ages.

Conclusions:

This study provides the largest dataset for pediatric stretched penile length in the Indian population.
The developed nomogram serves as a valuable tool for parents and physicians in evaluating penile development.
The data will aid in the accurate assessment and management of pediatric patients with conditions affecting penile size.